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Physics
A charge +Q is fixed at the origin of the co-ordinate system while a small electric dipole of dipole moment pointing away from the charge along the x-axis is set free from a point far away from the origin. (a) Calculate the K.E. of the dipole when it reaches to a point (d, 0). (b) Calculate the force on the charge +Q at this moment.
Chemistry
Consider the following reaction Identify the structure of the major product X.
Mathematics
The value of P (2) in a Binomial distribution when p = 1/6 and n = 5 is